Display unit for an overhead projector



FIG. 1 is a front perspective view of a display unit for an overhead projector showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a perspective view thereof, the dotted line portion depicting an overhead projector and a personal computer for illustrative purpose only and forming no part of the claimed design. 

The ornamental design for a display unit for an overhead projector, as shown and described. 